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Formerly they would give float64 outputs. )rr3rrr out_range)rgO@rN)rrr rrrrrs r%test_rescale_out_ranger(si H\\\ / / /E  $Uh ? ? ?C 9-ek:: : : : :c>>>22222r/ctjdttdzgtj}t j|d}t |dttgdS)Nrrruint10r)rr uint10_maxuint16r rr uint16_maxrs r%test_rescale_named_in_ranger<sV HaZ#%56bi H H HE  $UX > > >CcAz:#>?????r/ctjdtgtj}t j|d}t |dtgdS)Nrrrr)rrrrr rrrrs r%test_rescale_named_out_rangerBK Ha_BI 6 6 6E  $Uh ? ? ?CcAz?33333r/ctjdtgtj}t j|d}t |dtgdS)Nrruint12r)rrrrr rr uint12_maxrs r%test_rescale_uint12_limitsrHrr/ctjdtgtj}t j|d}t |dtgdS)Nrruint14r)rrrrr rr uint14_maxrs r%test_rescale_uint14_limitsrNrr/ctjdtj}tj|}tj|sJt||dS)Nr^r^r)rr_rAr risnanrrrs r%test_rescale_all_zerosrTsa HV28 , , ,E  $U + +C HSMM     c5)))))r/ctjddgtj}tj|d}t |ddgdS)Nrrrr)rrrr rrrs r%test_rescale_constantr[sK Hc3Zry 1 1 1E  $Uh ? ? ?CcC:.....r/ctjd}tj|}tj|sJt ||dS)Nr)ronesr rrrrrs r%test_rescale_same_valuesrasX GFOOE  $U + +C HSMM     c5)))))r/z1.25z,Older NumPy throws a few extra warnings herereasonzin_range,out_range)rbr)rrbctjdtdd}tj|d<t dg5t j|||ddddS#1swxYwYdS)N rrWr)r)r)zWOne or more intensity levels are NaN\. 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"5(I>>> ??????????????????sA33A7:A7zout_range, out_dtyperArrrrctjgdtj}tj||}|j|ksJdS)NrDrrrr)rrr+r rr)r out_dtyperb output_images r%test_rescale_output_dtyperzsM H^^^27 3 3 3E-eyIIIL   * * * * * *r/ctjgdtj}tj|tj}t |gd|jtjksJdS)NrrrrrErK)rrr+r rrArrrbrs r%test_rescale_no_overflowrsc H^^^27 3 3 3E-erxHHHL|]]]333   ) ) ) ) ) )r/ctjgdtj}tj|d}t |gd|jtksJdS)Nrrrrr)rrr+r rrrrrs r%test_rescale_float_outputrs_ H^^^27 3 3 3E-exHHHL|]]]333   & & & & & &r/ctjgdtj}tjt 5t j|d}ddddS#1swxYwYdS)Nrrflatr)rrr+rrrr r)rb_s r%*test_rescale_raises_on_incorrect_out_rangers H^^^27 3 3 3E z " "@@  &u ? ? ?@@@@@@@@@@@@@@@@@@sA  A$'A$ctjtj|d}t |}t j|||f}tj |ddd}|j |j ksJ|j t|ksJ|t j krdnd}tt||d |tt!||d dd S) zTest a grayscale float imageFr~)9r{Gz?rE) kernel_size clip_limitrSrWr^g)\Y@ghs?N)r rr astronautrr rdstackr equalize_adapthistr;rrfloat16rpeak_snrnorm_brightness_err)rrxadapted snr_decimals r%test_adapthist_grayscalers  DN,, - - 4 4U 4 G GC 3--C )S#sO $ $C) d#G 9 % % % % =1%88 8 8 8 8 **!!Kg..EEE+C9961EEEEEr/ctjtj}t jd5}t jdtj|\}}t|dksJ dddn #1swxYwYtj |d}| dksJ| dksJ|j |j ksJtj|}tt!||d d tt#||d d dS) zTest an RGB color uint16 imageT)recordalwaysrNrr?x&Y[@r){Gz?r^)r img_as_uintr rwarningscatch_warnings simplefilterr r r4rrYrZr;rrrr)rxwhistr$r full_scales r%test_adapthist_colorr sh  4>++ , ,C   - - -h'''$.s33k1vvzzzzz)#$???G ;;==A     ;;==C     9 % % % %+C00JW55wBBB+J@@$JJJJJsAB  B B ctjtj}t j|jd|jdft}t j||f}tj |}|j|jksJ|ddddddf}tj |}|j|jksJtt||ddtt||dddS) zTest an RGBA color imagerr)rNrWrr^ga+e?)r rr rrrr;rrr rrrrr)rxalpharr s r%test_adapthist_alphars  DN,, - -C GSYq\39Q<0 > > >E )S%L ! !C)#..G =CI % % % % aaaBQBh-C+C00J 9 % % % %W55wBBB+J@@&!LLLLLr/c,tjtj}t |}d}tj|dd|dd|f}t j|g|jd|zz}tj |dd}tj |dd}|j|jksJ|j|jksJt j t j |||jddzz dksJd S) z Test for n-dimensional consistency with float images Note: Currently if img.ndim == 3, img.shape[2] > 4 must hold for the image not to be interpreted as a color image by @adapt_rgb rrr7g?)rrr^rN) r rr rr rrr;r rmeanabs)rxaimg2dimg3d adapted2d adapted3ds r%test_adapthist_grayscale_Ndrs  DN,, - -C 3--C A  c!Bq&!Bq&.1 2 2E HeW !  12 3 3E+EqTRRRI+EqTRRRI ;)/ ) ) ) ) ;)/ ) ) ) ) 726)i 0Ba0G&HHII J JT Q Q Q Q Q Qr/ctjd}|dz }|tj}t j|d}tj|tj|ksJtjd}|dz }|tj}t j|d}tj|tj|ksJdS)z#Test constant image, float and uintrr^rWrN) rr_rrr rrYrZr)rxrs r%test_adapthist_constantrs (6  C1HC **RY  C)#q11G 6'??bfWoo - - - - (6  C3JC **RZ C)#q11G 6'??bfWoo - - - - - -r/cttjtj}|dz}d||jddz|jddzf<d}t dddD]m}tj||d }t|d d |f|d d |fd ksJt||d d f||d d fd ksJnd S) zTest border processinggY@rrr^r)rrGrTrNr) r r rr rr;r:r rr)rx border_indexrrs r%test_adapthist_bordersr!s 4$T^%5%566 7 7C5LC03C ! 39Q<1,,-LRQ''YY -c;3OOO"7111l?#;SL=QRRUXXXXX"7<?#;Sqqq=QRRUXXXXXX YYr/cDtj}tj|}t j|d}t j|d}t ||t j|d}t j|d}t ||dS)Nrrr))r moonr rr rr)img_uimg_f img_clahe0 img_clahe1s r%test_adapthist_clip_limitr( s IKKE  e $ $E,UqAAAJ,UqAAAJz:...,UqAAAJ,UqAAAJz:.....r/c|jdkrBt|t|}}tj|}tj|}d|jz t j||z z}t|j j \}}dt j ||z zS)zPeak signal to noise ratio of two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- peak_snr : float Peak signal to noise ratio rWrr) ndimr rr rsizersquaresumrrtypelog)img1img2msermax_s r%rrs yA~~diikk**HTYY[[,A,Ad  T " "D  T " "D  /BIdTk226688 8C$*/*GAt tcz"" ""r/c|jdkrt|t|}}tj||z }|t |jjdz }|S)zNormalized Absolute Mean Brightness Error between two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- norm_brightness_error : float Normalized absolute mean brightness error rWr))r*r rrrrrr.)r0r1ambenbes r%rr1se yA~~d^^Xd^^d 6$))++ + , ,D TZ_-a0 0C Jr/ctjdt}tjt d5t j|dddddS#1swxYwYdS)Nrrz Incorrect value of `kernel_size`r)rWrWrW)rrrrrrr rrxs r%$test_adapthist_incorrect_kernel_sizer9Es '& & & &C z)K L L L44#C333444444444444444444sAA!Actjddg}tj|d}|j|jksJdS)"Check that the shape is maintainedr)g?N)rrr adjust_gammar;)rxresults r%test_adjust_gamma_1x1_shaper>Os@ '1a&//C  "3 , ,F 9 $ $ $ $ $ $r/ctjddtjd}t j|d}t ||dS)z4Same image should be returned for gamma equal to onerr?rrAr)N)rr,rArr r<r)rbr=s r%test_adjust_gamma_onerBVsP IaBH - - - 5 5h ? ?E  "5! , ,Fvu%%%%%r/ctjddd|d}t j|d}|jj}t|t|d|j|jksJdS)z6White image should be returned for gamma equal to zerorrKrFr~r)N) rrandomuniformrr r<rr.rr)rrbr=s r%test_adjust_gamma_zerorF]s I  af - - 4 4U 4 G GE  "5! , ,F K Ev{51!4555 <5; & & & & & &r/c"tjddtjd}tjgdtjd}t j|d}t||dS)z\Verifying the output with expected results for gamma correction with gamma equal to halfrr?rr@(rrA $'*-0257:<>@BDFrIKMNPQSTVWYrQ\]^`abrr(r8gijklmopqrstuvwyz{|}~rrErrrFrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrGrGrHrHrrrrrrrrrrrrrrrrrrrrrrrrKrTNrr,rArrr r<rrbr`r=s r%test_adjust_gamma_less_onergs IaBH - - - 5 5h ? ?ExA A A DhGDDDHghI L "5# . .Fvx(((((r/c"tjddtjd}tjgdtjd}t j|d}t||dS)z[Verifying the output with expected results for gamma correction with gamma equal to tworr?rr@(rrrrrrrrrrrrr)r)r)r)r)r)r)r)r^r^r^r^r^r^rWrWrWrWrrrrr7r7r7r7rrrrrrr rrr3r3 rrrr rrrrrArArrrrrrrHrHrr rIrIr rJrJ!"#rrK%&rrL()rMrM+,rN./rrO1rPr4rQ6rR8rrrS;rT=rU?rVArWCrXErYrrZJr[Lr\r]Or^r_RraUrbrcXrd[rerfrg_rirjcrr8rkhrlrnrorprqrrrsrurvrwryxrzr|r}rrrErrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrGrrrrrrrrrrrrrrKr^Nrrs r%test_adjust_gamma_greater_oner/vs IaBH - - - 5 5h ? ?ExA A A DhGDDDHghI L "5! , ,Fvx(((((r/ctjdddtjd}t jt 5tj|dddddS#1swxYwYdS)NrrKrrr) rr,rArrrrr r<rbs r%test_adjust_gamma_negativer2s Iaa * * 2 26 : :E z " "))eR((())))))))))))))))))sA11A58A5cdtjdtjz}tjt j|dddksJdS)NrKrrr)r)gammagain)rrrArr r<r8s r%test_adjust_gamma_u8_overflowr6sP bh/// /C 6('13???3F G GGGGGGr/ctjddg|}tj|d}|j|jksJ|j|ksJdS)r;r)rN)rrr adjust_logr;rrrxr=s r%test_adjust_log_1x1_shaper:s\ '1a& & & &C  a ( (F 9 $ $ $ $ <5 r/c (tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|d}t||dS)z|Verifying the output with expected results for logarithmic correction with multiplier constant multiplier equal to unityrrKrr)rr7rrArr rr)rrOrQrSr rXrZr\)r'rbr*r+rr-rprs)rwrzr~rrrrr)rrrrrrrr)rrrrrrrr)rrrrrrrrG)rrrrrrrrrr)Nrr,rArrr r8rrs r%test_adjust_logr=s Iaa * * 2 26 : :Ex * * * , , , 0 0 0 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 h   H  * *Fvx(((((r/c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)zVerifying the output with expected results for inverse logarithmic correction with multiplier constant multiplier equal to unityrrKrr)rr^r7rrrrr)rHr r rJrrrrN)rOrrRrSrr!rXH)r%r&r`rcrQrgrjr8)rmnrtrxr{rrr)rFrrrrrrr)rrrrrrrr)rrrrHrrrrrr)TNr<rs r%test_adjust_inv_logrAs Iaa * * 2 26 : :Ex ( ( ( , , , , , , - - - 4 4 4 4 4 4 4 4 4 4 4 4 h   H 4 0 0Fvx(((((r/ctjddg|}tj|dd}|j|jksJ|j|ksJdS)r;r)rr7N)rrr adjust_sigmoidr;rr9s r%test_adjust_sigmoid_1x1_shaperDs^ '1a& & & &C  $S!Q / /F 9 $ $ $ $ <5 r/c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)zlVerifying the output with expected results for sigmoid correction with cutoff equal to one and gain of 5rrKrr)r)r)r)r^r^r^r^r^)rWrWrWrrrr7r7)r7rrrrrrr3)r3rrrrrrAr)rrrrr r r rJ)rrKrLrrrrPr)rrrVrXr?r%r^r()rdrgr,r-rorsrxr|rr)r7Nrr,rArrr rCrrs r%test_adjust_sigmoid_cutoff_onerGs Iaa * * 2 26 : :Ex $ $ $ $ $ $ % % % , , , , , , , , , , , , 1 1 1 h   H $UAq 1 1Fvx(((((r/c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd }t||d S)znVerifying the output with expected results for sigmoid correction with cutoff equal to zero and gain of 10rrKrr)rrrrrrrr)rrrrrrrHr)rrrrrrrrrrrrrrrr)rrrrrrrr)rrrrrrrrrr3NrFrs r%test_adjust_sigmoid_cutoff_zerorJs Iaa * * 2 26 : :Ex 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 h   H $UAr 2 2Fvx(((((r/c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)znVerifying the output with expected results for sigmoid correction with cutoff equal to half and gain of 10rrKrr)r)r)r^r^rWrWrr7)r7rrrr3rrrA)rrr r rrLrrP)rrVr?r^rdr,rorx)rErFrrrrrr)rrrrrrrHr)rrrrrrrrrIrrTr3NrFrs r%test_adjust_sigmoid_cutoff_halfrLs Iaa * * 2 26 : :Ex $ $ $ ( ( ( , , , . . . 4 4 4 4 4 4 4 4 4 4 4 4 h   H $UC 4 4Fvx(((((r/c ,tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|ddd}t||dS)zvVerifying the output with expected results for inverse sigmoid correction with cutoff equal to half and gain of 10rrKrr)rrrrrrrr)rrrrrrrr)rrrHrrrrr)rrrrrrrr)rrvrmrhrcr]rYrU)rRrrrrrIr r)rrArrr3rrr)r7rrrWrWr^r^r)rrTr3TNrFrs r%#test_adjust_inv_sigmoid_cutoff_halfrNs Iaa * * 2 26 : :Ex 4 4 4 4 4 4 4 4 4 4 4 4 / / / , , , ) ) ) $ $ $ h   H $UCT : :Fvx(((((r/ctjddd}tj|sJd|d<tj|sJtj|drJ|dztj}tj|sJtj|drJ|tjdz}tj|sJtj|drJdS) Nrg{Gz?rr)r)upper_percentilerKr?)rrLr is_low_contrastrrArr1s r%test_is_low_contrastrR/s K4 % %E  #E * ****E"I  #E * ****'DDDDDD S[  * *E  #E * ****'DDDDDD \\") $ $ ,E  #E * ****'DDDDDDDDr/ctjdt}tj|sJd|dd<tj|rJdS)Nrrr)r7)rr_boolr rQr1s r%test_is_low_contrast_booleanrU?sW HV4 ( ( (E  #E * ****E"1"I'.......r/ exposure_funcc tjddddtj}t jt5||ddddS#1swxYwYdS)Nrrrr)rr,rrrrrr)rVrbs r%test_negative_inputrXKs Ic3 " " * *6 2 2 9 9"* E EE z " " es A99A=A=cdtjddddlm}|t jddgddggd}t j|\}}gd }gd }t j||sJt j||sJt||j sJdS) Ndask$dask python library is not installedrrr)r^)r)r^)chunks)rr)r^)r)r^r)) r importorskip dask.arrayr from_arrayrr r allclose isinstanceArray)da dask_array output_hist output_bins expected_bins expected_hists r%test_dask_histogramriYs 'MNNNNrx!Q!Q(899&IIJ'1*==KIIMIIM ;}k 2 2222 ;}k 2 2222 k28 , ,,,,,,r/c,tjddddlm}|gdtj}t j|}|jtjksJt|gdt||j sJdS)NrZr[rrrrr) rr]r^rrrAr rrrrarb)rcrbrs r%test_dask_rescalerkfs 'MNNNN HH^^^28H 4 4E  $U + +C 9 c===111 c28 $ $$$$$$r/)yrnumpyrr numpy.testingrrrrrpackaging.versionrskimager r r skimage.colorr skimage.exposure.exposurer skimage.util.dtyperskimage._shared._warningsrskimage._shared.utilsrmark parametrizer+float32r&r.r1r5r=rBrIrMrOrrrUr[rarAint16rlrDseedcamerarorrurrrr|rrrwrrrrrrrrrrrint32rrrrrrrrskipif __version__rrrrrrrrr rrrr!r(rrr9r>rBrFrr/r2r6r:r=rArDrGrJrLrNrRrUr<r8rCrXrirkr/r%rsi  &%%%%%""""""555555******77777777777727BJ"788QQ98Q ------'''''',,,,,,,,,,,,2:rz2:"FGG>>HG>2:rz2:"FGG''HG' ( ( (('7);<<28RXrz"BCC44..54DC=<.8 qt{}} 4 \ * * %8 %hns&: ; ;&&&2:rz2:"FGG;;HG; - - - 1v1c(+hR-AB&& &  SzWr1g.c3Z0HI&& & $$$    222000 2:rz2:"FGG$$HG$000  bgrxRZ D333"@@@ 444 444 444 ***/// *** GBNggfoo- 9-0BDV/WXX ? 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"( 29 29 29 %   ++  + ***'''@@@2:rz2:"FGG F FHG FKKK" M M MRRR4 . . .YYY$ / / /###,(444%%%&&&2:rz2:"FGG''HG'L)L)L)^L)L)L)^))) HHH2:rz2:"FGG!!HG!))),)))42:rz2:"FGG!!HG!))),))),))),))), E E E /// H/1HI  - - -%%%%%r/